388808280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:858

約数の個数: 192

約数和(自身を含む): 1451960640

約数和(自身を除く): 1063152360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 277, 280, 315, 360, 420, 504, 554, 557, 630, 831, 840, 1108, 1114, 1260, 1385, 1662, 1671, 1939, 2216, 2228, 2493, 2520, 2770, 2785, 3324, 3342, 3878, 3899, 4155, 4456, 4986, 5013, 5540, 5570, 5817, 6648, 6684, 7756, 7798, 8310, 8355, 9695, 9972, 10026, 11080, 11140, 11634, 11697, 12465, 13368, 15512, 15596, 16620, 16710, 17451, 19390, 19495, 19944, 20052, 22280, 23268, 23394, 24930, 25065, 29085, 31192, 33240, 33420, 34902, 35091, 38780, 38990, 40104, 46536, 46788, 49860, 50130, 58170, 58485, 66840, 69804, 70182, 77560, 77980, 87255, 93576, 99720, 100260, 116340, 116970, 139608, 140364, 154289, 155960, 174510, 175455, 200520, 232680, 233940, 280728, 308578, 349020, 350910, 462867, 467880, 617156, 698040, 701820, 771445, 925734, 1080023, 1234312, 1388601, 1403640, 1542890, 1851468, 2160046, 2314335, 2777202, 3085780, 3240069, 3702936, 4320092, 4628670, 5400115, 5554404, 6171560, 6480138, 6943005, 8640184, 9257340, 9720207, 10800230, 11108808, 12960276, 13886010, 16200345, 18514680, 19440414, 21600460, 25920552, 27772020, 32400690, 38880828, 43200920, 48601035, 55544040, 64801380, 77761656, 97202070, 129602760, 194404140, 388808280]

約数ペア:

[(1, 388808280), (2, 194404140), (3, 129602760), (4, 97202070), (5, 77761656), (6, 64801380), (7, 55544040), (8, 48601035), (9, 43200920), (10, 38880828), (12, 32400690), (14, 27772020), (15, 25920552), (18, 21600460), (20, 19440414), (21, 18514680), (24, 16200345), (28, 13886010), (30, 12960276), (35, 11108808), (36, 10800230), (40, 9720207), (42, 9257340), (45, 8640184), (56, 6943005), (60, 6480138), (63, 6171560), (70, 5554404), (72, 5400115), (84, 4628670), (90, 4320092), (105, 3702936), (120, 3240069), (126, 3085780), (140, 2777202), (168, 2314335), (180, 2160046), (210, 1851468), (252, 1542890), (277, 1403640), (280, 1388601), (315, 1234312), (360, 1080023), (420, 925734), (504, 771445), (554, 701820), (557, 698040), (630, 617156), (831, 467880), (840, 462867), (1108, 350910), (1114, 349020), (1260, 308578), (1385, 280728), (1662, 233940), (1671, 232680), (1939, 200520), (2216, 175455), (2228, 174510), (2493, 155960), (2520, 154289), (2770, 140364), (2785, 139608), (3324, 116970), (3342, 116340), (3878, 100260), (3899, 99720), (4155, 93576), (4456, 87255), (4986, 77980), (5013, 77560), (5540, 70182), (5570, 69804), (5817, 66840), (6648, 58485), (6684, 58170), (7756, 50130), (7798, 49860), (8310, 46788), (8355, 46536), (9695, 40104), (9972, 38990), (10026, 38780), (11080, 35091), (11140, 34902), (11634, 33420), (11697, 33240), (12465, 31192), (13368, 29085), (15512, 25065), (15596, 24930), (16620, 23394), (16710, 23268), (17451, 22280), (19390, 20052), (19495, 19944)]